Question 309748
solve 5 raised to x+2=12?
{{{5^(x+2) = 12 }}}
Use logs here
{{{log(5^(x+2)) = log(12) }}}
log equiv of exponents
(x+2)log(5) = log(12)
x + 2 = {{{log(12)/log(5)}}}
using a calc
x + 2 = 1.544
:
x = 1.544 - 2
;
x = -.456
:
:
Check on a calc enter 5^(-.456+2) = 12.00